I have a WM Aquabalance ModCon Series 1. It's pretty cold for here, 24 deg F.
My wife pointed me to a pile of ice forming below the exhaust of the modcon.
The boiler is on outdoor reset and is currently operating at 140 degrees supply with 120 degree return.
Therefore I expected the flue gases to condense inside the heat exchanger. I guess its possible for _some_ water to come out, but this seems like a lot.
I just cleaned out the sediment trap, and its dripping a bit now, but the condensate drain has no water coming out, and inspecting the drain line it seems somewhat dry.
Any thoughts on what could be going on?
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